Sausvatnet is a lake that is located in Brønnøy Municipality in Nordland county, Norway. There is also a small village on the eastern shore called Sausvatn. The lake is located about 7 kilometres (4.3 mi) south of the village of Hommelstø and about 15 kilometres (9.3 mi) northwest of the village of Lande.

• List of lakes in Norway
• Geography of Norway